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    • 3. 发明申请
    • Image Pickup Apparatus and Zoom Lens Used in Image Pickup Apparatus
    • 图像拾取装置和图像拾取装置中使用的变焦镜头
    • US20140022447A1
    • 2014-01-23
    • US13935908
    • 2013-07-05
    • OLYMPUS IMAGING CORP.
    • Toshio TakahashiHiroshi Kodama
    • G02B15/14
    • G02B15/14G02B15/173G02B15/20G02B15/22H04N5/2254H04N5/23209H04N5/23296
    • The 1st positive lens unit is located closer to the object side at the telephoto end than at the wide angle end. The distance between the 1st negative lens unit and the 1st positive lens unit is larger at the telephoto end than at the wide angle end. The distance between the image side lens unit group and the 1st negative lens unit varies during zooming from the wide angle end to the telephoto end. The image side lens unit group comprises a 2nd positive lens unit and a 3rd positive lens unit. The distance between the 2nd positive lens unit and the 1st negative lens unit is smaller at the telephoto end than at the wide angle end. The distance between the 3rd positive lens unit and the 2nd positive lens unit varies during zooming from the wide angle end to the telephoto end.
    • 第一正透镜单元在远摄端处比在广角端处更靠近物体侧。 第一负透镜单元和第一正透镜单元之间的距离在远摄端比在广角端处更大。 在从广角端到远摄端的变焦期间,像侧透镜单元组和第一负透镜单元之间的距离变化。 图像侧透镜单元组包括第二正透镜单元和第三正透镜单元。 第二正透镜单元和第一负透镜单元之间的距离在望远端比在广角端处小。 在从广角端到远摄端的变焦期间,第三正透镜单元与第二正透镜单元之间的距离变化。
    • 4. 发明申请
    • POWER DETECTION CIRCUIT AND POWER DETECTION METHOD
    • 功率检测电路和功率检测方法
    • US20120313680A1
    • 2012-12-13
    • US13579871
    • 2010-12-15
    • Hiroshi KodamaMasaki Kitsunezuka
    • Hiroshi KodamaMasaki Kitsunezuka
    • H03L7/08
    • H04B1/1027H04B1/30
    • A power detection circuit according to the present invention includes a variable frequency oscillator 2 for oscillating a local oscillator frequency, a mixer 1 for receiving the local oscillator frequency and a detection signal and converting a frequency of the detection signal using the local oscillator frequency, a complex bandpass filter 3 for limiting a bandwidth of the detection signal whose frequency is converted to a predetermined bandwidth, and an energy detection circuit 4 for detecting power of the predetermined bandwidth based on an output from the complex bandpass filter 3. The local oscillator frequency is set so that the predetermined bandwidth of the detection signal whose frequency is converted is in a frequency range having low l/f noise. According to the present invention, it is possible to provide a power detection circuit with high speed and high sensitivity.
    • 根据本发明的功率检测电路包括用于振荡本地振荡器频率的可变频率振荡器2,用于接收本地振荡器频率的混合器1和检测信号,并使用本地振荡器频率转换检测信号的频率, 复频带滤波器3,用于限制其频率被转换为预定带宽的检测信号的带宽;以及能量检测电路4,用于基于复带通滤波器3的输出来检测预定带宽的功率。本地振荡器频率为 使得频率被转换的检测信号的预定带宽处于具有低l / f噪声的频率范围内。 根据本发明,可以提供具有高速度和高灵敏度的功率检测电路。
    • 5. 发明申请
    • SIGNAL PROCESSING CIRCUIT, WIRELESS COMMUNICATION DEVICE, AND SIGNAL PROCESSING METHOD
    • 信号处理电路,无线通信装置和信号处理方法
    • US20120307947A1
    • 2012-12-06
    • US13578149
    • 2010-12-20
    • Hiroshi Kodama
    • Hiroshi Kodama
    • H04L27/06
    • H04B1/0035H04B1/1027
    • An exemplary object is to provide a signal processing circuit, a wireless communication device, and a signal processing method for reducing crosstalk of an adjacent interfering signal in a desired signal. A signal processing circuit 3 according to the present invention includes a power acquisition unit 4 that receives multiple radio signals transmitted with different frequency bands and acquires power intensities of the received radio signals; and a frequency selection unit 5 that selects, from among frequency bands used for radio signals having the power intensity lower than a predetermined power intensity, a frequency band having a relatively low power intensity in a frequency band near the frequency bands as each frequency band in which communication is executed.
    • 示例性目的是提供一种信号处理电路,无线通信设备和用于减少所需信号中的相邻干扰信号的串扰的信号处理方法。 根据本发明的信号处理电路3包括:功率获取单元4,其接收以不同频带发送的多个无线电信号,并获取所接收的无线电信号的功率强度; 以及频率选择单元5,其从用于具有低于预定功率强度的功率强度的无线电信号的频带中选择在频带附近的频带中具有相对较低功率强度的频带作为每个频带 哪个通信被执行。
    • 6. 发明申请
    • IMAGE PICKUP APPARATUS
    • 图像拾取装置
    • US20110122233A1
    • 2011-05-26
    • US12953199
    • 2010-11-23
    • Tsubasa KasaiHiroshi Kodama
    • Tsubasa KasaiHiroshi Kodama
    • H04N13/02
    • H04N13/207H04N5/222H04N5/23203H04N5/23216H04N5/23293H04N13/00H04N13/20H04N13/218H04N13/232H04N13/296H04N13/341H04N13/344
    • An image pickup apparatus includes: an image pickup unit; a first connection unit that allows a stereoscopic shooting interchangeable lens and an ordinary shooting interchangeable lens to be selectively attached thereto so that an image of a subject can be formed on the image pickup unit; a second connection unit that allows a finder including two display units corresponding to a right eye and a left eye, the finder being capable of displaying a plurality of images, and a finder including a single display unit, the finder being capable of displaying a single image, to be selectively attached thereto; and a display control unit that controls display of an image picked up by the image pickup unit on the finder, based on at least one of information on the interchangeable lens connected to the first connection unit and information on the finder connected to the second connection unit.
    • 一种图像拾取装置,包括:图像拾取单元; 第一连接单元,其允许立体拍摄可交换镜头和普通拍摄可互换镜头选择性地附接到其上,使得被摄体的图像可以形成在图像拾取单元上; 第二连接单元,其允许包括对应于右眼和左眼的两个显示单元的取景器,所述取景器能够显示多个图像;以及取景器,其包括单个显示单元,所述取景器能够显示单个 图像,以选择性地附接到其上; 以及显示控制单元,其基于与连接到第一连接单元的可互换镜头的信息中的至少一个以及连接到第二连接单元的取景器的信息中的至少一个来控​​制由取景器上的图像拾取单元拾取的图像的显示 。
    • 10. 发明授权
    • Synthesizer
    • 合成器
    • US07495481B2
    • 2009-02-24
    • US11563432
    • 2006-11-27
    • Hiroshi Kodama
    • Hiroshi Kodama
    • H03B21/00
    • H03L7/18
    • A synthesizer that has a phase detector 8 and a charge pump circuit 9 for injecting an electric charge, or pulling it out that corresponded to a frequency difference of an input, a low-pass filter 11 for converting this electric charge into a voltage, a voltage control oscillator (VCO) 13 for changing an output frequency for this input voltage, a divider 14 for dividing the frequency of the input, and a voltage holding circuit 10 for holding the input voltage for a plurality of output frequencies of the VCO. A holding voltage of the voltage holding circuit 10 is switched with a switch 12, and the frequency of an output clock signal 3 is switched.
    • 具有相位检测器8和电荷泵电路9的合成器,用于将用于将该电荷转换为电压的低通滤波器11注入电荷或将其输出对应于输入的频率差, 用于改变该输入电压的输出频率的压控振荡器(VCO)13,用于分频输入频率的分频器14以及用于保持VCO的多个输出频率的输入电压的电压保持电路10。 电压保持电路10的保持电压用开关12切换,输出时钟信号3的频率被切换。